I'm not sure where the hostname in the i= tag comes from (but not from
assp) - and yes, this is the reason. The latest version of Mail::DKIM
should add an '@' in front of the domainname/hostname!
make sure Mail::DKIM is uptodate (latest version 1.20200513.1)
if the problem still exists, define the Identity in the DKIM-selector
definition (a general recommendation to avoid identity missmatches).
Notice: older Mail::DKIM version may not support this setting.
Identity=EMAILADDRESS
or
Identity=@DOMAIN
- assp is outdated
- perl is outdated
Thomas
Von: "Thomas Kofler" <k...@outlook.com>
An: "assp-user@lists.sourceforge.net"
<assp-user@lists.sourceforge.net>
Datum: 20.08.2020 21:13
Betreff: [Assp-user] DKIM: Validating Signature, Details: bad
identity
ASSP version 2.6.3 *SPAM-Evaporator* build 19169,
perl-5.16.3-292.el7.x86_64, CentOS 7 x64
Hi,
DKIM signatures are attached but are shown as
Validating Signature
result = invalid
Details: bad identity
when verified (tho...@domain123.com ==> a6icpijhjr5...@dkimvalidator.com)
Also ASSP comes to the same result:
Aug-20-20 20:43:08 m1-48988-06675 [Worker_1] [MessageOK] 192.168.2.20
<tho...@domain123.com> to: a6icpijhjr5...@dkimvalidator.com message ok [1]
-> notspam/1--2823069.eml
Aug-20-20 20:43:08 [Worker_1] DKIM: Selector = key1
Aug-20-20 20:43:08 [Worker_1] DKIM: Domain = domain123.com
Aug-20-20 20:43:08 [Worker_1] DKIM: KeyFile =
/opt/assp/certs/dkim-private.key
Aug-20-20 20:43:08 [Worker_1] DKIM: Method = relaxed/relaxed
Aug-20-20 20:43:08 [Worker_1] DKIM: Headers =
Message-ID:From:Subject:To:MIME-Version:Content-Type
Aug-20-20 20:43:08 [Worker_1] DKIM: Mode = DKIM
Aug-20-20 20:43:08 [Worker_1] DKIM: Domain = domain123.com
Aug-20-20 20:43:08 [Worker_1] DKIM: KeyFile =
/opt/assp/certs/dkim-private.key
Aug-20-20 20:43:08 [Worker_1] DKIM: Method = relaxed/relaxed
Aug-20-20 20:43:08 [Worker_1] DKIM: Headers =
Message-ID:From:Subject:To:MIME-Version:Content-Type
Aug-20-20 20:43:08 [Worker_1] DKIM: Mode = DKIM
Aug-20-20 20:43:08 [Worker_1] DKIM: Algorithm = rsa-sha1
Aug-20-20 20:43:08 m1-48988-06675 [Worker_1] 192.168.2.20
<tho...@domain123.com> to: a6icpijhjr5...@dkimvalidator.com info:
successfully added DKIM-Signature
Aug-20-20 20:43:08 m1-48988-06675 [Worker_1] 192.168.2.20
<tho...@domain123.com> to: a6icpijhjr5...@dkimvalidator.com DKIM: self
signature check: result: invalid - detail: invalid (bad identity)
DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=domain123.com; h=
Message-ID:From:Subject:To:MIME-Version:Content-Type;
s=key1; i=
www12.hosting.cc; bh=yozb3+jTZHJZWY6+yAc67TjplMM=;
b=f/PePz5s6q0z
EGEGFxPJ9H6jCI7bQ+sT+hGF/Fh1KSpXKMSxMvSO3lXp4KCdjkL4UKllR/NzEBrS
v00DehJ652IJYOF4orwpuDX2qZ6l2hqdNKK+4eMoqXXRP8gnsgAEpk91N5D8ql6O
DSwZ36EWVoIkmaHnWYOZPcnKjgn8Xek=
I suppose its the i tag which is causing the issue? www12.hosting.cc is an
alias of the machine on which assp is running, but not the external DNS
name.
Shouldln't it be something like i=domain123.com (the sending mail domain?)
Thanks in advance,
Thomas
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